125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
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#if GRAPHICS_API_DIRECTX12
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#include "GPUSamplerDX12.h"
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D3D12_TEXTURE_ADDRESS_MODE ToDX12(GPUSamplerAddressMode value)
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{
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switch (value)
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{
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case GPUSamplerAddressMode::Wrap:
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return D3D12_TEXTURE_ADDRESS_MODE_WRAP;
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case GPUSamplerAddressMode::Clamp:
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return D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
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case GPUSamplerAddressMode::Mirror:
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return D3D12_TEXTURE_ADDRESS_MODE_MIRROR;
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case GPUSamplerAddressMode::Border:
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return D3D12_TEXTURE_ADDRESS_MODE_BORDER;
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default:
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return (D3D12_TEXTURE_ADDRESS_MODE)-1;
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}
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}
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bool GPUSamplerDX12::OnInit()
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{
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D3D12_SAMPLER_DESC samplerDesc;
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if (_desc.ComparisonFunction == GPUSamplerCompareFunction::Never)
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{
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switch (_desc.Filter)
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{
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case GPUSamplerFilter::Point:
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samplerDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_POINT;
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break;
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case GPUSamplerFilter::Bilinear:
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samplerDesc.Filter = D3D12_FILTER_MIN_MAG_LINEAR_MIP_POINT;
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break;
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case GPUSamplerFilter::Trilinear:
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samplerDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_LINEAR;
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break;
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case GPUSamplerFilter::Anisotropic:
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samplerDesc.Filter = D3D12_FILTER_ANISOTROPIC;
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break;
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default:
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return true;
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}
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}
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else
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{
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switch (_desc.Filter)
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{
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case GPUSamplerFilter::Point:
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samplerDesc.Filter = D3D12_FILTER_COMPARISON_MIN_MAG_MIP_POINT;
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break;
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case GPUSamplerFilter::Bilinear:
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samplerDesc.Filter = D3D12_FILTER_COMPARISON_MIN_LINEAR_MAG_MIP_POINT;
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break;
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case GPUSamplerFilter::Trilinear:
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samplerDesc.Filter = D3D12_FILTER_COMPARISON_MIN_MAG_MIP_LINEAR;
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break;
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case GPUSamplerFilter::Anisotropic:
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samplerDesc.Filter = D3D12_FILTER_COMPARISON_ANISOTROPIC;
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break;
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default:
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return true;
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}
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}
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samplerDesc.AddressU = ToDX12(_desc.AddressU);
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samplerDesc.AddressV = ToDX12(_desc.AddressV);
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samplerDesc.AddressW = ToDX12(_desc.AddressW);
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samplerDesc.MipLODBias = _desc.MipBias;
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samplerDesc.MaxAnisotropy = _desc.MaxAnisotropy;
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switch (_desc.ComparisonFunction)
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{
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case GPUSamplerCompareFunction::Never:
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samplerDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_NEVER;
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break;
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case GPUSamplerCompareFunction::Less:
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samplerDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_LESS;
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break;
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default:
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return true;
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}
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switch (_desc.BorderColor)
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{
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case GPUSamplerBorderColor::TransparentBlack:
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samplerDesc.BorderColor[0] = 0;
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samplerDesc.BorderColor[1] = 0;
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samplerDesc.BorderColor[2] = 0;
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samplerDesc.BorderColor[3] = 0;
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break;
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case GPUSamplerBorderColor::OpaqueBlack:
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samplerDesc.BorderColor[0] = 0;
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samplerDesc.BorderColor[1] = 0;
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samplerDesc.BorderColor[2] = 0;
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samplerDesc.BorderColor[3] = 1.0f;
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break;
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case GPUSamplerBorderColor::OpaqueWhite:
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samplerDesc.BorderColor[0] = 1.0f;
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samplerDesc.BorderColor[1] = 1.0f;
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samplerDesc.BorderColor[2] = 1.0f;
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samplerDesc.BorderColor[3] = 1.0f;
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break;
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default:
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return true;
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}
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samplerDesc.MinLOD = _desc.MinMipLevel;
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samplerDesc.MaxLOD = _desc.MaxMipLevel;
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_device->Heap_Sampler.AllocateSlot(Slot.Heap, Slot.Index);
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HandleCPU = Slot.CPU();
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_device->GetDevice()->CreateSampler(&samplerDesc, HandleCPU);
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_memoryUsage = sizeof(D3D12_SAMPLER_DESC);
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return false;
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}
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void GPUSamplerDX12::OnReleaseGPU()
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{
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Slot.Release();
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// Base
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GPUSampler::OnReleaseGPU();
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}
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#endif
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